04. 1954 Topps Hank Aaron PSA 10 - $357,594

03. 1955 Topps Roberto Clemente PSA 10 - $432,690

02. Babe Ruth, Baseball, 1914 Baltimore News SGC – $517,000

01. Honus Wagner, Baseball, 1909-11 ATC T-206 – $2.8 million

Honus Wagner T206

20. Wayne Gretzky's PSA 10 O-Pee-Chee - $94,163

We’ve all collected sports cards at one point in life and it turns out there are a few cards out there that are wildly valuable. Like retire in this $36 million Hollywood Hills bachelor pad valuable. We’ve pulled together the 20 most expensive sports cards of all-time.